Methanediylium anion
- Formula: CH2-
- Molecular weight: 14.0271
- CAS Registry Number: 50928-07-9
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Vibrational and/or electronic energy levels
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: Marilyn E. Jacox
State: A
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
Td = 5260 ± 50 | gas | Leopold, Murray, et al., 1985 | |||||
Bunker and Sears, 1985 | |||||||
State: X
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
a1 | 2 | Bend | 1230 ± 30 | gas | PE | Leopold, Murray, et al., 1985 Bunker and Sears, 1985 | |
Additional references: Jacox, 1994, page 21
Notes
d | Photodissociation threshold |
References
Go To: Top, Vibrational and/or electronic energy levels, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Leopold, Murray, et al., 1985
Leopold, D.G.; Murray, K.K.; Miller, A.E.S.; Lineberger, W.C.,
Methylene: A study of the X3B1 and the 1A1 states by photoelectron spectroscopy of CH2- and CD2-,
J. Chem. Phys., 1985, 83, 4849. [all data]
Bunker and Sears, 1985
Bunker, P.R.; Sears, T.J.,
Analysis of the laser photoelectron spectrum of CH-2,
J. Chem. Phys., 1985, 83, 10, 4866, https://doi.org/10.1063/1.449747
. [all data]
Jacox, 1994
Jacox, M.E.,
Vibrational and electronic energy levels of polyatomic transient molecules, American Chemical Society, Washington, DC, 1994, 464. [all data]
Notes
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- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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